Call Control Comma nds
DIVA T/A ISDN Modem Reference Guide ◆ Page 41
ATDn Dial a Number. Directs the DIVAT/A to dial the specified number, attempt to
establish a connection, and go online.
Punctuation characters may be used for clarity, with parentheses, hyphens, spaces,
and periods being ignored. Also, the “P”, “T”, “W”, “@”, “,” and “R” dial modifiers used by
modems are ignored since they are not relevant to ISDN.
The “~” and “&” characters are used to dial two numbers within the same dialing
string.
The following modifiers can be used:
L Re-dial last number.
S=n Dial the number stored in the directory n (n=0-9).
M Establish a Modem over ISDN call.
N Establish a data connection.
I Establish a 56K ISDN data connection.
V E stablish an ISDN DATA over VOICE connection (North America only).
; Any character following this parameter is treated as an AT command (entered in
the command mode) .
The maximum number of dialed digits is 20 for North America and 40 for
International. The symbols # and * are counted as digits; punctuation (parentheses,
hyphens, spaces, and periods) and alphabetical digits (P, T, W, @, or R) are ignored.
When dialing multiple numbers using “~” or “&” with MultiLink PPP, each dialed
number can also have up to 20 digits in North America and 40 for International.
ATH Hang up a Call. To disconnect and hang up a call. If the DIVAT/A is currently online,
the connection is terminated.